Complete guide for 2026 frontend technical interviews
React Interview Questions and Answers
React continues to dominate the frontend landscape, powering interactive web applications at companies of all sizes. Master these interview questions to demonstrate your React expertise.
From fundamentals like hooks and state management to advanced topics like React Fiber, Server Components, and performance optimization—prepare thoroughly for your React interview.
Essential concepts for React developers
Beginner React Questions
Start with these foundational questions that test core React knowledge and understanding of key concepts.
Deeper knowledge for experienced developers
Intermediate React Questions
These questions test practical experience with React patterns, hooks, and optimization techniques used in production applications.
Senior-level concepts for experienced engineers
Advanced React Questions
These advanced questions test deep understanding of React internals, architecture decisions, and cutting-edge features.
Go beyond interview questions with practical assessments
Assess React Skills with Real Coding Challenges
Interview questions test knowledge, but real coding challenges test ability. Use CodeSubmit to evaluate frontend developers with practical React projects.
Our library includes component building, state management, API integration, and full-stack React challenges that let candidates demonstrate real skills.
I like how the library challenges are structured around on-the-job skills. The experience for candidates is excellent. They work locally with the IDE and tools they are most comfortable with.
